*{
    padding: 0;
    margin: 0;
}
.lay-box{
  display: none;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  box-sizing: border-box;
}
.lay-box .layer-box {
    width: 100%;
    height: 100%;
}
.lay-box .layer-box .layer-title{
position: relative;
width: 100%;
height: 38px;
padding-left: 14px;
padding-right: 14px;
line-height: 38px;
background: #1685ea;
-webkit-box-sizing: border-box;
box-sizing: border-box;
border: none;
color: #fff;
}
.lay-box .layer-box .layer-title .close-btn{
  position: absolute;
  top:50%;
  right:15px;
  transform: translate(0,-50%);
  width:14px;
  height:13px;
  background: url('sprites.png') -159px -205px;
  cursor: pointer;
}
.lay-box .layer-box .layer-title .close-btn:hover{
  opacity: 0.7;
}
.lay-box .layer-box .layer-body{
  padding:20px;
  background: #e7f2f8;
  overflow: hidden;
}